OpenTechnical

OT-2026-000025943

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000025943) never changes.

Identity and time

Publication numberOT-2026-000025943 · never reused
Internal UUID01a0ae71-a83f-783c-8eab-8de3cd5f22f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025943
StatusPUBLIC

Content hashes

Canonical text2598355ae73037186e55e8f1f80a80a39fbfccc2fb2031f239061a38e6b03155
Markdown415062f40c0ce253a2a0be4c42dc29188d3be6c05f7ed41086db02460ba4e6c0
PDF
Publication page76b50609b6ce049b8a61d04b0bcbdd98540d0c9d2c9c5d6976009eb0a1f95530
Manifestc22a1496db19ecf4745b7b641ed3ab3050fa677e47b4b54d8149092db763a528

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureEuAAl9WyBqfbbHBrgh4qFTwwJJjAjpUqKPtERdEpHFpgpWDUvtp9SMX+RdOYHvI4Y26jg24VwLXOOuq920isCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:46:18.494552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025943
observed 76b50609b6ce049b8a61d04b0bcbdd98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:18.477405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025943/manifest.json
observed c22a1496db19ecf4745b7b641ed3ab30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:18.459731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025943/publication.md
observed 415062f40c0ce253a2a0be4c42dc2918...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:18.436104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025943/publication.txt
observed 2598355ae73037186e55e8f1f80a80a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.